Service difficulty report · Bleed Lines · Boeing 7373T0

Difficulty date
March 17, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N14347
Make and model
Boeing 7373T0
Aircraft serial
23585
Part
Bleed Lines
Condition
Loose
Location
Right
Stage of operation
CR
Nature of condition
O
Precautionary procedure
B, G

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CABIN PRESSURE WAS LOST WHILE EN ROUTE FROM IAH TO CZM. THE RIGHT PACK OUTPUT WENT TO ZERO. AN EMERGENCY DESCENT WAS PERFORMED AND THE O2 MASKS WERE DEPLOYED. THE AIRCRAFT LANDED AT CZM WITHOUT FURTHER EVENT. MAINTENANCE FOUND HIGH BLEED REGULATOR LINES LOOSE. THE LINES WERE REPOSITIONED AND TIGHTENED AND OPERATIONAL CHECKS WERE GOOD. IN ADDITION, THE O2 GENERATORS WERE REMOVED AND REPLACED. THE O2 MASKS WERE REPACKED AND LATCH SYSTEMS CHECKED IAW MM 35-22-11.